Toothbrush



FIG. 1 is a front view of a toothbrush according to the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is an enlarged front view of the head thereof;

FIG. 8 is an enlarged rear view of the head thereof; and,

FIG. 9 is an enlarged right side view of the head thereof.

The head is shown separately in FIGS. 7-9 for clarity of illustration. 

CLAIM The ornamental design for a toothbrush, as shown and described. 